000 00346nam a2200133Ia 4500
008 230327s9999 xx 000 0 und d
020 _a0
082 _a621.317
_bSIN
100 _aSingh, Ravindra.
245 0 _aSwitchgear and power system protection
260 _aNew Delhi
_bPHI Learning Private Limited
_c2020
360 _a327.
365 _a325
999 _c35204
_d35204